<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>state简写</title>
</head>
<body>
    <!-- 引入React核心库 -->
    <script src="../JS/react.development.js"></script>
    <!-- 引入ReactDOM，用于支持react操作DOM -->
    <script src="../JS/react-dom.development.js"></script>
    <!-- 引入babel 用于将书写的JSX语法 编译成JS语法 -->
    <script src="../JS/babel.min.js"></script>

    <div id="test"></div>

    <script type="text/babel">
        class Weather extends React.Component{
            // 初始化状态
            state = {isHot:true,wind:'微风'}
            render(){
                const {isHot} = this.state
                return  (
                    <div>
                        <h1 onClick={this.changeWeather}>今天天气很{isHot?'炎热':'凉爽'}</h1>        
                    </div>
                )
            }
            // 自定义方法--------要用赋值语句的形式+箭头函数
            changeWeather=()=>{           
                const isHot = this.state.isHot
                this.setState({
                    isHot:!isHot
                })
            }
        }
         
        ReactDOM.render(<Weather/>,document.getElementById('test'))
    </script>



</body>
</html>